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verb (used without object)
  1. to make a choice; choose (usually followed by for).
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Verb Phrases
  1. opt out, to decide to leave or withdraw: to opt out of the urban rat race and move to the countryside.
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Origin of opt

1875–80; < French opter to choose, divide < Latin optāre to wish for, desire, pray for, choose, select
Related formsun·opt·ed, adjective


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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

elect, prefer, decide, cull, pick, take, select, mark

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British Dictionary definitions for opt


  1. (when intr, foll by for) to show preference (for) or choose (to do something)See also opt in See also opt out
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Word Origin

C19: from French opter, from Latin optāre to choose
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for opt


1877, from French opter "to choose" (16c.), from Latin optare "choose, desire" (see option). To opt out is attested from 1922. Related: Opted; opting.

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Online Etymology Dictionary, © 2010 Douglas Harper